There is something in the air

On the trail of fine dust, nitrogen oxides and Co

There is thick air but where does the air pollutants come from and how do you best measure them? studioflara / iStock
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Air pollution and limits have become political explosives. But what is actually good air - and where do pollutants such as nitrogen oxides, ozone or particulate matter come from? Scientists at Forschungszentrum Jülich are also addressing these questions. Because causes and sources of air pollution are not always as easy to spot as it seems.

There is thick air - that much seems clear. In many regions, and especially the metropolitan areas, there are too many nitrogen oxides, too much ozone and too much particulate matter in the air. But where do these substances come from? And when exactly are particularly high load values ​​achieved? To tackle air pollution effectively, these questions need to be answered. The Jülich atmospheric researchers do this among others with the help of a mobile measuring laboratory.

Author: Kerstin Viering / Helmholtz Perspectives

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